package com.cx.service;

import com.cx.pojo.Activity;

public interface ActivityService {
    //添加活动
    int insert(Activity activity);

    //删除活动
    int deleteByPrimaryKey(Integer actId);

    //修改活动
    int updateByPrimaryKey(Activity activity);

    //根据id查询活动
    Activity selectByPrimaryKey(Integer actId);
}
